Fan



FIG. 1 is a front view of the fan showing my design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is an opposite side elevation view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is another side elevation view showing tilting of fan elements. 

I claim the ornamental design for a fan, as shown and described. 